Maximum Entropy Inferences on the Axion Mass in Models with Axion-Neutrino Interaction

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dc.contributor.authorAlves, Alexandre [UNIFESP]
dc.contributor.authorDias, Alex Gomes
dc.contributor.authorda Silva, Roberto
dc.date.accessioned2019-08-19T11:50:13Z
dc.date.available2019-08-19T11:50:13Z
dc.date.issued2017
dc.description.abstractIn this work, we use the maximum entropy principle (MEP) to infer the mass of an axion which interacts to photons and neutrinos in an effective low energy theory. The Shannon entropy function to be maximized is defined in terms of the axion branching ratios. We show that MEP strongly constrains the axion mass taking into account the current experimental bounds on the neutrinos masses. Assuming that the axion is massive enough to decay into all the three neutrinos and that MEP fixes all the free parameters of the model, the inferred axion mass is in the interval 0.1 eV < m(A) < 0.2 eV, which can be tested by forthcoming experiments such as IAXO. However, even in the case where MEP fixes just the axion mass and no other parameter, we found that 0.1 eV < m(A) < 6.3 eV in the DFSZ model with right-handed neutrinos. Moreover, a light axion, allowed to decay to photons and the lightest neutrino only, is determined by MEP as a viable dark matter candidate.en
dc.description.affiliationUniv Fed São Paulo, Dept Fis, UNIFESP, Diadema, Brazil
dc.description.affiliationUniv Fed ABC, Ctr Cincias Nat & Humanas, BR-09210170 Santo Andre, SP, Brazil
dc.description.affiliationUniv Fed Rio Grande do Sul, Inst Fis, BR-91501970 Porto Alegre, RS, Brazil
dc.description.affiliationUnifespUniv Fed São Paulo, Dept Fis, UNIFESP, Diadema, Brazil
dc.description.sourceWeb of Science
dc.description.sponsorshipCNPq
dc.description.sponsorshipFAPESP
dc.description.sponsorshipIDCNPq: 307098/2014-1
dc.description.sponsorshipIDCNPq: 306636/2016-6
dc.description.sponsorshipIDCNPq: 458498/2014-9
dc.description.sponsorshipIDCNPq: 310017/2015-7
dc.description.sponsorshipIDFAPESP: 2013/22079-8
dc.format.extent426-435
dc.identifierhttp://dx.doi.org/10.1007/s13538-017-0515-y
dc.identifier.citationBrazilian Journal Of Physics. New York, v. 47, n. 4, p. 426-435, 2017.
dc.identifier.doi10.1007/s13538-017-0515-y
dc.identifier.issn0103-9733
dc.identifier.urihttp://repositorio.unifesp.br/handle/11600/51493
dc.identifier.wosWOS:000405687900008
dc.language.isoeng
dc.publisherSpringer
dc.rightsinfo:eu-repo/semantics/restrictedAccess
dc.subjectMaximum entropy principleen
dc.subjectAxion-neutrino interactionen
dc.subjectDark matteren
dc.titleMaximum Entropy Inferences on the Axion Mass in Models with Axion-Neutrino Interactionen
dc.typeinfo:eu-repo/semantics/article
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